Lightweight and durable:This outdoor backpack is lightweight and easy to fold into your pocket or carry-on baggage when not in use. The ripstop material is not easily scratched. The use of sophisticated sewing technology increases the life of the shoulder strap. Compared to the average outdoor backpack, this outdoor backpack will be more suitable for you because of its light weight and durability. Easy to carry:This hiking daypack backpack comes with a storage bag. When you don't use this hiking daypack backpack, you can fold it and put it in the storage bag. When you arrive at a campground and you don't want to carry a heavy rucksack, you can take out the folding backpack and put some essentials into it to start your adventure. Good waterproof effect:This waterproof packable backpack is made of 30D nylon waterproof material. Compared with the ordinary waterproof backpack, our outdoor waterproof backpack is s not only waterproof on the fabric, but also the zipper is waterproof and can prevent water from penetrating into the backpack through the zipper gap. Multifunction:This travel foldable backpack that both men and women can use. This waterproof camping backpack is perfect for travel (whether beach, water sports, rainforest, wet country or region). Outdoors (camping, hiking, cycling, hiking, rock climbing, skiing, jogging, fitness, etc.) are a great choice for every day (school, gym, swimming, etc.) and more. Comfortable and breathable:This travel backpack has a lot of breathable mesh on the shoulder strap to keep you cool and dry in wet weather. The adjustable shoulder strap fits perfectly on your shoulders and back, giving you the most comfortable feel. 4Monster Outdoor Backpack For example, when you find that your baggage is overweight at the airport You can take out this folding sports backpack from the storage bag And then take some of the items from the overweight baggage into this backpack. So that this folding travel backpack can help the overweight baggage to share the weight. This is also a hidden feature of our backpack.